<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>
<body>
    <div id="app">
        <!-- 数据的双向绑定 使用v-model实现双线绑定 -->
        <input type="text" v-model="msg">
    </div>
    <script>
    Vue.config.productionTip=false
        const vm = new Vue({
            el:'#app',
            data(){
                return {
                    msg:'yin'
                }
            }
            
        })
    </script>
</body>
</html>